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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ -->
<title>lib/Data/Enumerator/Binary.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='hs-comment'>-- |</span>
<a name="line-2"></a><span class='hs-comment'>-- Module: Data.Enumerator.Binary</span>
<a name="line-3"></a><span class='hs-comment'>-- Copyright: 2010-2011 John Millikin</span>
<a name="line-4"></a><span class='hs-comment'>-- License: MIT</span>
<a name="line-5"></a><span class='hs-comment'>--</span>
<a name="line-6"></a><span class='hs-comment'>-- Maintainer: jmillikin@gmail.com</span>
<a name="line-7"></a><span class='hs-comment'>-- Portability: portable</span>
<a name="line-8"></a><span class='hs-comment'>--</span>
<a name="line-9"></a><span class='hs-comment'>-- Byte-oriented alternatives to "Data.Enumerator.List". Note that the</span>
<a name="line-10"></a><span class='hs-comment'>-- enumeratees in this module must unpack their inputs to work properly. If</span>
<a name="line-11"></a><span class='hs-comment'>-- you do not need to handle leftover input on a byte-by-byte basis, the</span>
<a name="line-12"></a><span class='hs-comment'>-- chunk-oriented versions will be much faster.</span>
<a name="line-13"></a><span class='hs-comment'>--</span>
<a name="line-14"></a><span class='hs-comment'>-- This module is intended to be imported qualified:</span>
<a name="line-15"></a><span class='hs-comment'>--</span>
<a name="line-16"></a><span class='hs-comment'>-- @</span>
<a name="line-17"></a><span class='hs-comment'>-- import qualified Data.Enumerator.Binary as EB</span>
<a name="line-18"></a><span class='hs-comment'>-- @</span>
<a name="line-19"></a><span class='hs-comment'>--</span>
<a name="line-20"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-21"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span>
<a name="line-22"></a>	<span class='hs-layout'>(</span>
<a name="line-23"></a>	
<a name="line-24"></a>	<span class='hs-comment'>-- * IO</span>
<a name="line-25"></a>	  <span class='hs-varid'>enumHandle</span>
<a name="line-26"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>enumHandleRange</span>
<a name="line-27"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>enumFile</span>
<a name="line-28"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>enumFileRange</span>
<a name="line-29"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>iterHandle</span>
<a name="line-30"></a>	
<a name="line-31"></a>	<span class='hs-comment'>-- * List analogues</span>
<a name="line-32"></a>	
<a name="line-33"></a>	<span class='hs-comment'>-- ** Folds</span>
<a name="line-34"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>fold</span>
<a name="line-35"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>foldM</span>
<a name="line-36"></a>	
<a name="line-37"></a>	<span class='hs-comment'>-- ** Maps</span>
<a name="line-38"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>map</span>
<a name="line-39"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>mapM</span>
<a name="line-40"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>mapM_</span>
<a name="line-41"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>concatMap</span>
<a name="line-42"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>concatMapM</span>
<a name="line-43"></a>	
<a name="line-44"></a>	<span class='hs-comment'>-- ** Accumulating maps</span>
<a name="line-45"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>mapAccum</span>
<a name="line-46"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>mapAccumM</span>
<a name="line-47"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>concatMapAccum</span>
<a name="line-48"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>concatMapAccumM</span>
<a name="line-49"></a>	
<a name="line-50"></a>	<span class='hs-comment'>-- ** Infinite streams</span>
<a name="line-51"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>iterate</span>
<a name="line-52"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>iterateM</span>
<a name="line-53"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>repeat</span>
<a name="line-54"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>repeatM</span>
<a name="line-55"></a>	
<a name="line-56"></a>	<span class='hs-comment'>-- ** Bounded streams</span>
<a name="line-57"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>replicate</span>
<a name="line-58"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>replicateM</span>
<a name="line-59"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>generateM</span>
<a name="line-60"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>unfold</span>
<a name="line-61"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>unfoldM</span>
<a name="line-62"></a>	
<a name="line-63"></a>	<span class='hs-comment'>-- ** Dropping input</span>
<a name="line-64"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>drop</span>
<a name="line-65"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>dropWhile</span>
<a name="line-66"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>filter</span>
<a name="line-67"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>filterM</span>
<a name="line-68"></a>	
<a name="line-69"></a>	<span class='hs-comment'>-- ** Consumers</span>
<a name="line-70"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>head</span>
<a name="line-71"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>head_</span>
<a name="line-72"></a>	<span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>take</span>
<a name="line-73"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>takeWhile</span>
<a name="line-74"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>consume</span>
<a name="line-75"></a>	
<a name="line-76"></a>	<span class='hs-comment'>-- ** Zipping</span>
<a name="line-77"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zip</span>
<a name="line-78"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zip3</span>
<a name="line-79"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zip4</span>
<a name="line-80"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zip5</span>
<a name="line-81"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zip6</span>
<a name="line-82"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zip7</span>
<a name="line-83"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zipWith</span>
<a name="line-84"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zipWith3</span>
<a name="line-85"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zipWith4</span>
<a name="line-86"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zipWith5</span>
<a name="line-87"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zipWith6</span>
<a name="line-88"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>zipWith7</span>
<a name="line-89"></a>	
<a name="line-90"></a>	<span class='hs-comment'>-- ** Unsorted</span>
<a name="line-91"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>require</span>
<a name="line-92"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>isolate</span>
<a name="line-93"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>isolateWhile</span>
<a name="line-94"></a>	<span class='hs-layout'>,</span> <span class='hs-varid'>splitWhen</span>
<a name="line-95"></a>	
<a name="line-96"></a>	<span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-97"></a>
<a name="line-98"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Prelude</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>head</span><span class='hs-layout'>,</span> <span class='hs-varid'>drop</span><span class='hs-layout'>,</span> <span class='hs-varid'>takeWhile</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapM_</span><span class='hs-layout'>,</span> <span class='hs-varid'>zip</span><span class='hs-layout'>,</span> <span class='hs-varid'>zip3</span><span class='hs-layout'>,</span> <span class='hs-varid'>zipWith</span><span class='hs-layout'>,</span> <span class='hs-varid'>zipWith3</span><span class='hs-layout'>)</span>
<a name="line-99"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Exc</span>
<a name="line-100"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>CM</span>
<a name="line-101"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftM</span><span class='hs-layout'>)</span>
<a name="line-102"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Class</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadIO</span><span class='hs-layout'>)</span>
<a name="line-103"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Trans</span><span class='hs-varop'>.</span><span class='hs-conid'>Class</span> <span class='hs-layout'>(</span><span class='hs-varid'>lift</span><span class='hs-layout'>)</span>
<a name="line-104"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>B</span>
<a name="line-105"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>BL</span>
<a name="line-106"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Monoid</span> <span class='hs-layout'>(</span><span class='hs-varid'>mappend</span><span class='hs-layout'>)</span>
<a name="line-107"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Word</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span><span class='hs-layout'>)</span>
<a name="line-108"></a>
<a name="line-109"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>IO</span>
<a name="line-110"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span> <span class='hs-layout'>(</span><span class='hs-varid'>isEOFError</span><span class='hs-layout'>)</span>
<a name="line-111"></a>
<a name="line-112"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span>
<a name="line-113"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span> <span class='hs-layout'>(</span><span class='hs-varid'>isEOF</span><span class='hs-layout'>,</span> <span class='hs-varid'>throwError</span><span class='hs-layout'>,</span> <span class='hs-varid'>tryIO</span><span class='hs-layout'>)</span>
<a name="line-114"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>EL</span>
<a name="line-115"></a>
<a name="line-116"></a><a name="fold"></a><span class='hs-comment'>-- | Consume the entire input stream with a strict left fold, one byte</span>
<a name="line-117"></a><span class='hs-comment'>-- at a time.</span>
<a name="line-118"></a><span class='hs-comment'>--</span>
<a name="line-119"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-120"></a><span class='hs-definition'>fold</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b</span>
<a name="line-121"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-122"></a><span class='hs-definition'>fold</span> <span class='hs-varid'>step</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EL</span><span class='hs-varop'>.</span><span class='hs-varid'>fold</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>foldl'</span> <span class='hs-varid'>step</span><span class='hs-layout'>)</span>
<a name="line-123"></a>
<a name="line-124"></a><a name="foldM"></a><span class='hs-comment'>-- | Consume the entire input stream with a strict monadic left fold, one</span>
<a name="line-125"></a><span class='hs-comment'>-- byte at a time.</span>
<a name="line-126"></a><span class='hs-comment'>--</span>
<a name="line-127"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-128"></a><span class='hs-definition'>foldM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b</span>
<a name="line-129"></a>      <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-130"></a><span class='hs-definition'>foldM</span> <span class='hs-varid'>step</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EL</span><span class='hs-varop'>.</span><span class='hs-varid'>foldM</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>b</span> <span class='hs-varid'>bytes</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>CM</span><span class='hs-varop'>.</span><span class='hs-varid'>foldM</span> <span class='hs-varid'>step</span> <span class='hs-varid'>b</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varid'>bytes</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-131"></a>
<a name="line-132"></a><a name="unfold"></a><span class='hs-comment'>-- | Enumerates a stream of bytes by repeatedly applying a function to</span>
<a name="line-133"></a><span class='hs-comment'>-- some state.</span>
<a name="line-134"></a><span class='hs-comment'>--</span>
<a name="line-135"></a><span class='hs-comment'>-- Similar to 'Data.Enumerator.Binary.iterate'.</span>
<a name="line-136"></a><span class='hs-comment'>--</span>
<a name="line-137"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-138"></a><span class='hs-definition'>unfold</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span><span class='hs-layout'>,</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-139"></a><span class='hs-definition'>unfold</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>checkContinue1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>loop</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>f</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-140"></a>	<span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>k</span>
<a name="line-141"></a>	<span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span><span class='hs-layout'>,</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>b</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>s'</span>
<a name="line-142"></a>
<a name="line-143"></a><a name="unfoldM"></a><span class='hs-comment'>-- | Enumerates a stream of bytes by repeatedly applying a computation to</span>
<a name="line-144"></a><span class='hs-comment'>-- some state.</span>
<a name="line-145"></a><span class='hs-comment'>--</span>
<a name="line-146"></a><span class='hs-comment'>-- Similar to 'iterateM'.</span>
<a name="line-147"></a><span class='hs-comment'>--</span>
<a name="line-148"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-149"></a><span class='hs-definition'>unfoldM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span><span class='hs-layout'>,</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-150"></a><span class='hs-definition'>unfoldM</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>checkContinue1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>loop</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-151"></a>	<span class='hs-varid'>fs</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-152"></a>	<span class='hs-keyword'>case</span> <span class='hs-varid'>fs</span> <span class='hs-keyword'>of</span>
<a name="line-153"></a>		<span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>k</span>
<a name="line-154"></a>		<span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span><span class='hs-layout'>,</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>b</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>s'</span>
<a name="line-155"></a>
<a name="line-156"></a><a name="map"></a><span class='hs-comment'>-- | @'Data.Enumerator.Binary.map' f@ applies /f/ to each input byte and</span>
<a name="line-157"></a><span class='hs-comment'>-- feeds the resulting outputs to the inner iteratee.</span>
<a name="line-158"></a><span class='hs-comment'>--</span>
<a name="line-159"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-160"></a><span class='hs-definition'>map</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-161"></a><span class='hs-definition'>map</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-162"></a>
<a name="line-163"></a><a name="mapM"></a><span class='hs-comment'>-- | @'Data.Enumerator.Binary.mapM' f@ applies /f/ to each input byte and</span>
<a name="line-164"></a><span class='hs-comment'>-- feeds the resulting outputs to the inner iteratee.</span>
<a name="line-165"></a><span class='hs-comment'>--</span>
<a name="line-166"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-167"></a><span class='hs-definition'>mapM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-168"></a><span class='hs-definition'>mapM</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>concatMapM</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>liftM</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-169"></a>
<a name="line-170"></a><a name="mapM_"></a><span class='hs-comment'>-- | @'Data.Enumerator.Binary.mapM_' f@ applies /f/ to each input byte, and</span>
<a name="line-171"></a><span class='hs-comment'>-- discards the results.</span>
<a name="line-172"></a><span class='hs-comment'>--</span>
<a name="line-173"></a><span class='hs-comment'>-- Since: 0.4.11</span>
<a name="line-174"></a><span class='hs-definition'>mapM_</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-175"></a><span class='hs-definition'>mapM_</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldM</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-varop'>&gt;&gt;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-conid'>()</span>
<a name="line-176"></a>
<a name="line-177"></a><a name="concatMap"></a><span class='hs-comment'>-- | @'Data.Enumerator.Binary.concatMap' f@ applies /f/ to each input byte</span>
<a name="line-178"></a><span class='hs-comment'>-- and feeds the resulting outputs to the inner iteratee.</span>
<a name="line-179"></a><span class='hs-comment'>--</span>
<a name="line-180"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-181"></a><span class='hs-definition'>concatMap</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-182"></a><span class='hs-definition'>concatMap</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>concatMapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-183"></a>
<a name="line-184"></a><a name="concatMapM"></a><span class='hs-comment'>-- | @'concatMapM' f@ applies /f/ to each input byte and feeds the</span>
<a name="line-185"></a><span class='hs-comment'>-- resulting outputs to the inner iteratee.</span>
<a name="line-186"></a><span class='hs-comment'>--</span>
<a name="line-187"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-188"></a><span class='hs-definition'>concatMapM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-189"></a><span class='hs-definition'>concatMapM</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>checkDone</span> <span class='hs-layout'>(</span><span class='hs-varid'>continue</span> <span class='hs-varop'>.</span> <span class='hs-varid'>step</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-190"></a>	<span class='hs-varid'>step</span> <span class='hs-varid'>k</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>Continue</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-conid'>EOF</span>
<a name="line-191"></a>	<span class='hs-varid'>step</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-layout'>(</span><span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-192"></a>	
<a name="line-193"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>k</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>step</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span>
<a name="line-194"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-195"></a>		<span class='hs-varid'>fx</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-196"></a>		<span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>fx</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span>
<a name="line-197"></a>			<span class='hs-varid'>checkDoneEx</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-varid'>xs</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varop'>`loop`</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-198"></a>
<a name="line-199"></a><a name="concatMapAccum"></a><span class='hs-comment'>-- | Similar to 'Data.Enumerator.Binary.concatMap', but with a stateful step</span>
<a name="line-200"></a><span class='hs-comment'>-- function.</span>
<a name="line-201"></a><span class='hs-comment'>--</span>
<a name="line-202"></a><span class='hs-comment'>-- Since: 0.4.11</span>
<a name="line-203"></a><span class='hs-definition'>concatMapAccum</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-204"></a><span class='hs-definition'>concatMapAccum</span> <span class='hs-varid'>f</span> <span class='hs-varid'>s0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>checkDone</span> <span class='hs-layout'>(</span><span class='hs-varid'>continue</span> <span class='hs-varop'>.</span> <span class='hs-varid'>step</span> <span class='hs-varid'>s0</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-205"></a>	<span class='hs-varid'>step</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>k</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>Continue</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-conid'>EOF</span>
<a name="line-206"></a>	<span class='hs-varid'>step</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-varid'>xs</span>
<a name="line-207"></a>	
<a name="line-208"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>step</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span>
<a name="line-209"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>uncons</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-210"></a>		<span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-varid'>xs</span>
<a name="line-211"></a>		<span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span><span class='hs-layout'>,</span> <span class='hs-varid'>x'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>f</span> <span class='hs-varid'>s</span> <span class='hs-varid'>b</span> <span class='hs-keyword'>of</span>
<a name="line-212"></a>			<span class='hs-layout'>(</span><span class='hs-varid'>s'</span><span class='hs-layout'>,</span> <span class='hs-varid'>ai</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>ai</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span>
<a name="line-213"></a>				<span class='hs-varid'>checkDoneEx</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-layout'>(</span><span class='hs-varid'>x'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>k'</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>s'</span> <span class='hs-varid'>k'</span> <span class='hs-layout'>(</span><span class='hs-varid'>x'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-214"></a>
<a name="line-215"></a><a name="concatMapAccumM"></a><span class='hs-comment'>-- | Similar to 'concatMapM', but with a stateful step function.</span>
<a name="line-216"></a><span class='hs-comment'>--</span>
<a name="line-217"></a><span class='hs-comment'>-- Since: 0.4.11</span>
<a name="line-218"></a><span class='hs-definition'>concatMapAccumM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-219"></a><span class='hs-definition'>concatMapAccumM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>s0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>checkDone</span> <span class='hs-layout'>(</span><span class='hs-varid'>continue</span> <span class='hs-varop'>.</span> <span class='hs-varid'>step</span> <span class='hs-varid'>s0</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-220"></a>	<span class='hs-varid'>step</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>k</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>Continue</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-conid'>EOF</span>
<a name="line-221"></a>	<span class='hs-varid'>step</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-varid'>xs</span>
<a name="line-222"></a>	
<a name="line-223"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>step</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span>
<a name="line-224"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>uncons</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-225"></a>		<span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-varid'>xs</span>
<a name="line-226"></a>		<span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span><span class='hs-layout'>,</span> <span class='hs-varid'>x'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-227"></a>			<span class='hs-layout'>(</span><span class='hs-varid'>s'</span><span class='hs-layout'>,</span> <span class='hs-varid'>ai</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>s</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-228"></a>			<span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>ai</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span>
<a name="line-229"></a>				<span class='hs-varid'>checkDoneEx</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-layout'>(</span><span class='hs-varid'>x'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>k'</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>s'</span> <span class='hs-varid'>k'</span> <span class='hs-layout'>(</span><span class='hs-varid'>x'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-230"></a>
<a name="line-231"></a><a name="mapAccum"></a><span class='hs-comment'>-- | Similar to 'Data.Enumerator.Binary.map', but with a stateful step</span>
<a name="line-232"></a><span class='hs-comment'>-- function.</span>
<a name="line-233"></a><span class='hs-comment'>--</span>
<a name="line-234"></a><span class='hs-comment'>-- Since: 0.4.9</span>
<a name="line-235"></a><span class='hs-definition'>mapAccum</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-236"></a><span class='hs-definition'>mapAccum</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatMapAccum</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>f</span> <span class='hs-varid'>s</span> <span class='hs-varid'>w</span> <span class='hs-keyword'>of</span> <span class='hs-layout'>(</span><span class='hs-varid'>s'</span><span class='hs-layout'>,</span> <span class='hs-varid'>w'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>s'</span><span class='hs-layout'>,</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>w'</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-237"></a>
<a name="line-238"></a><a name="mapAccumM"></a><span class='hs-comment'>-- | Similar to 'Data.Enumerator.Binary.mapM', but with a stateful step</span>
<a name="line-239"></a><span class='hs-comment'>-- function.</span>
<a name="line-240"></a><span class='hs-comment'>--</span>
<a name="line-241"></a><span class='hs-comment'>-- Since: 0.4.9</span>
<a name="line-242"></a><span class='hs-definition'>mapAccumM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-243"></a><span class='hs-definition'>mapAccumM</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatMapAccumM</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-244"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>s'</span><span class='hs-layout'>,</span> <span class='hs-varid'>w'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>f</span> <span class='hs-varid'>s</span> <span class='hs-varid'>w</span>
<a name="line-245"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>s'</span><span class='hs-layout'>,</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>w'</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-246"></a>
<a name="line-247"></a><a name="iterate"></a><span class='hs-comment'>-- | @'Data.Enumerator.Binary.iterate' f x@ enumerates an infinite stream of</span>
<a name="line-248"></a><span class='hs-comment'>-- repeated applications of /f/ to /x/.</span>
<a name="line-249"></a><span class='hs-comment'>--</span>
<a name="line-250"></a><span class='hs-comment'>-- Analogous to 'Prelude.iterate'.</span>
<a name="line-251"></a><span class='hs-comment'>--</span>
<a name="line-252"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-253"></a><span class='hs-definition'>iterate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-254"></a><span class='hs-definition'>iterate</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>checkContinue1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>loop</span> <span class='hs-varid'>s</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>s</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-255"></a>
<a name="line-256"></a><a name="iterateM"></a><span class='hs-comment'>-- | Similar to 'Data.Enumerator.Binary.iterate', except the iteration</span>
<a name="line-257"></a><span class='hs-comment'>-- function is monadic.</span>
<a name="line-258"></a><span class='hs-comment'>--</span>
<a name="line-259"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-260"></a><span class='hs-definition'>iterateM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-261"></a><span class='hs-definition'>iterateM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>base</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>worker</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varid'>base</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-262"></a>	<span class='hs-varid'>worker</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>checkContinue1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>loop</span> <span class='hs-varid'>m_byte</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-263"></a>		<span class='hs-varid'>byte</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lift</span> <span class='hs-varid'>m_byte</span>
<a name="line-264"></a>		<span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>byte</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>byte</span><span class='hs-layout'>)</span>
<a name="line-265"></a>
<a name="line-266"></a><a name="repeat"></a><span class='hs-comment'>-- | Enumerates an infinite stream of a single byte.</span>
<a name="line-267"></a><span class='hs-comment'>--</span>
<a name="line-268"></a><span class='hs-comment'>-- Analogous to 'Prelude.repeat'.</span>
<a name="line-269"></a><span class='hs-comment'>--</span>
<a name="line-270"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-271"></a><span class='hs-definition'>repeat</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-272"></a><span class='hs-definition'>repeat</span> <span class='hs-varid'>byte</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EL</span><span class='hs-varop'>.</span><span class='hs-varid'>repeat</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>byte</span><span class='hs-layout'>)</span>
<a name="line-273"></a>
<a name="line-274"></a><a name="repeatM"></a><span class='hs-comment'>-- | Enumerates an infinite stream of byte. Each byte is computed by the</span>
<a name="line-275"></a><span class='hs-comment'>-- underlying monad.</span>
<a name="line-276"></a><span class='hs-comment'>--</span>
<a name="line-277"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-278"></a><span class='hs-definition'>repeatM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-varid'>m</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-279"></a><span class='hs-definition'>repeatM</span> <span class='hs-varid'>next</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EL</span><span class='hs-varop'>.</span><span class='hs-varid'>repeatM</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftM</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>next</span><span class='hs-layout'>)</span>
<a name="line-280"></a>
<a name="line-281"></a><a name="replicate"></a><span class='hs-comment'>-- | @'Data.Enumerator.Binary.replicate' n x@ enumerates a stream containing</span>
<a name="line-282"></a><span class='hs-comment'>-- /n/ copies of /x/.</span>
<a name="line-283"></a><span class='hs-comment'>--</span>
<a name="line-284"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-285"></a><span class='hs-definition'>replicate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Integer</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-286"></a><span class='hs-definition'>replicate</span> <span class='hs-varid'>n</span> <span class='hs-varid'>byte</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EL</span><span class='hs-varop'>.</span><span class='hs-varid'>replicate</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>byte</span><span class='hs-layout'>)</span>
<a name="line-287"></a>
<a name="line-288"></a><a name="replicateM"></a><span class='hs-comment'>-- | @'replicateM' n m_x@ enumerates a stream of /n/ bytes, with each byte</span>
<a name="line-289"></a><span class='hs-comment'>-- computed by /m_x/.</span>
<a name="line-290"></a><span class='hs-comment'>--</span>
<a name="line-291"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-292"></a><span class='hs-definition'>replicateM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Integer</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-293"></a><span class='hs-definition'>replicateM</span> <span class='hs-varid'>n</span> <span class='hs-varid'>next</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EL</span><span class='hs-varop'>.</span><span class='hs-varid'>replicateM</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftM</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span> <span class='hs-varid'>next</span><span class='hs-layout'>)</span>
<a name="line-294"></a>
<a name="line-295"></a><a name="generateM"></a><span class='hs-comment'>-- | Like 'repeatM', except the computation may terminate the stream by</span>
<a name="line-296"></a><span class='hs-comment'>-- returning 'Nothing'.</span>
<a name="line-297"></a><span class='hs-comment'>--</span>
<a name="line-298"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-299"></a><span class='hs-definition'>generateM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-300"></a><span class='hs-definition'>generateM</span> <span class='hs-varid'>next</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EL</span><span class='hs-varop'>.</span><span class='hs-varid'>generateM</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftM</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftM</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>singleton</span><span class='hs-layout'>)</span> <span class='hs-varid'>next</span><span class='hs-layout'>)</span>
<a name="line-301"></a>
<a name="line-302"></a><a name="filter"></a><span class='hs-comment'>-- | Applies a predicate to the stream. The inner iteratee only receives</span>
<a name="line-303"></a><span class='hs-comment'>-- characters for which the predicate is @True@.</span>
<a name="line-304"></a><span class='hs-comment'>--</span>
<a name="line-305"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-306"></a><span class='hs-definition'>filter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-307"></a><span class='hs-definition'>filter</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>p</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-308"></a>
<a name="line-309"></a><a name="filterM"></a><span class='hs-comment'>-- | Applies a monadic predicate to the stream. The inner iteratee only</span>
<a name="line-310"></a><span class='hs-comment'>-- receives bytes for which the predicate returns @True@.</span>
<a name="line-311"></a><span class='hs-comment'>--</span>
<a name="line-312"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-313"></a><span class='hs-definition'>filterM</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>m</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-314"></a><span class='hs-definition'>filterM</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>concatMapM</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>liftM</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-layout'>(</span><span class='hs-conid'>CM</span><span class='hs-varop'>.</span><span class='hs-varid'>filterM</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-315"></a>
<a name="line-316"></a><a name="take"></a><span class='hs-comment'>-- | @'Data.Enumerator.Binary.take' n@ extracts the next /n/ bytes from the</span>
<a name="line-317"></a><span class='hs-comment'>-- stream, as a lazy</span>
<a name="line-318"></a><span class='hs-comment'>-- ByteString.</span>
<a name="line-319"></a><span class='hs-comment'>--</span>
<a name="line-320"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-321"></a><span class='hs-definition'>take</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Integer</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-322"></a><span class='hs-definition'>take</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>n</span> <span class='hs-varop'>&lt;=</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span>
<a name="line-323"></a><span class='hs-definition'>take</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>loop</span> <span class='hs-varid'>id</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-324"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>n'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iter</span> <span class='hs-keyword'>where</span>
<a name="line-325"></a>		<span class='hs-varid'>lazy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varid'>xs</span>
<a name="line-326"></a>		<span class='hs-varid'>len</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toInteger</span> <span class='hs-layout'>(</span><span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span>
<a name="line-327"></a>		
<a name="line-328"></a>		<span class='hs-varid'>iter</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>n'</span>
<a name="line-329"></a>			<span class='hs-keyword'>then</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-varid'>acc</span> <span class='hs-varop'>.</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>append</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>n'</span> <span class='hs-comment'>-</span> <span class='hs-varid'>len</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-330"></a>			<span class='hs-keyword'>else</span> <span class='hs-keyword'>let</span>
<a name="line-331"></a>				<span class='hs-layout'>(</span><span class='hs-varid'>xs'</span><span class='hs-layout'>,</span> <span class='hs-varid'>extra</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>splitAt</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromInteger</span> <span class='hs-varid'>n'</span><span class='hs-layout'>)</span> <span class='hs-varid'>lazy</span>
<a name="line-332"></a>				<span class='hs-keyword'>in</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>acc</span> <span class='hs-varid'>xs'</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>toChunks</span> <span class='hs-varid'>extra</span><span class='hs-layout'>)</span>
<a name="line-333"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>acc</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span><span class='hs-layout'>)</span> <span class='hs-conid'>EOF</span>
<a name="line-334"></a>
<a name="line-335"></a><a name="takeWhile"></a><span class='hs-comment'>-- | @'takeWhile' p@ extracts input from the stream until the first byte which</span>
<a name="line-336"></a><span class='hs-comment'>-- does not match the predicate.</span>
<a name="line-337"></a><span class='hs-comment'>--</span>
<a name="line-338"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-339"></a><span class='hs-definition'>takeWhile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-340"></a><span class='hs-definition'>takeWhile</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>loop</span> <span class='hs-varid'>id</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-341"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span><span class='hs-layout'>)</span>
<a name="line-342"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iter</span> <span class='hs-keyword'>where</span>
<a name="line-343"></a>		<span class='hs-varid'>lazy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varid'>xs</span>
<a name="line-344"></a>		<span class='hs-layout'>(</span><span class='hs-varid'>xs'</span><span class='hs-layout'>,</span> <span class='hs-varid'>extra</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>span</span> <span class='hs-varid'>p</span> <span class='hs-varid'>lazy</span>
<a name="line-345"></a>		<span class='hs-varid'>iter</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>extra</span>
<a name="line-346"></a>			<span class='hs-keyword'>then</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-varid'>acc</span> <span class='hs-varop'>.</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>append</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-347"></a>			<span class='hs-keyword'>else</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>acc</span> <span class='hs-varid'>xs'</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>toChunks</span> <span class='hs-varid'>extra</span><span class='hs-layout'>)</span>
<a name="line-348"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>acc</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span><span class='hs-layout'>)</span> <span class='hs-conid'>EOF</span>
<a name="line-349"></a>
<a name="line-350"></a><a name="consume"></a><span class='hs-comment'>-- | @'consume' = 'takeWhile' (const True)@</span>
<a name="line-351"></a><span class='hs-comment'>--</span>
<a name="line-352"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-353"></a><span class='hs-definition'>consume</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-354"></a><span class='hs-definition'>consume</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>loop</span> <span class='hs-varid'>id</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-355"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span><span class='hs-layout'>)</span>
<a name="line-356"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iter</span> <span class='hs-keyword'>where</span>
<a name="line-357"></a>		<span class='hs-varid'>lazy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varid'>xs</span>
<a name="line-358"></a>		<span class='hs-varid'>iter</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-varid'>acc</span> <span class='hs-varop'>.</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>append</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-359"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>acc</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span><span class='hs-layout'>)</span> <span class='hs-conid'>EOF</span>
<a name="line-360"></a>
<a name="line-361"></a><a name="zip"></a><span class='hs-comment'>-- | Pass input from a stream through two iteratees at once. Excess input is</span>
<a name="line-362"></a><span class='hs-comment'>-- yielded if it was not consumed by either iteratee.</span>
<a name="line-363"></a><span class='hs-comment'>--</span>
<a name="line-364"></a><span class='hs-comment'>-- Analogous to 'Data.List.zip'.</span>
<a name="line-365"></a><span class='hs-comment'>--</span>
<a name="line-366"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-367"></a><span class='hs-definition'>zip</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-368"></a>    <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-369"></a>    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-370"></a>    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>)</span>
<a name="line-371"></a><span class='hs-definition'>zip</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>step</span> <span class='hs-keyword'>where</span>
<a name="line-372"></a>	<span class='hs-varid'>step</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>step</span>
<a name="line-373"></a>	<span class='hs-varid'>step</span> <span class='hs-varid'>stream</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-374"></a>		<span class='hs-keyword'>let</span> <span class='hs-varid'>enumStream</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-375"></a>			<span class='hs-conid'>Continue</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>k</span> <span class='hs-varid'>stream</span>
<a name="line-376"></a>			<span class='hs-conid'>Yield</span> <span class='hs-varid'>b</span> <span class='hs-varid'>extra</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>yield</span> <span class='hs-varid'>b</span> <span class='hs-layout'>(</span><span class='hs-varid'>mappend</span> <span class='hs-varid'>extra</span> <span class='hs-varid'>stream</span><span class='hs-layout'>)</span>
<a name="line-377"></a>			<span class='hs-conid'>Error</span> <span class='hs-varid'>err</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>throwError</span> <span class='hs-varid'>err</span>
<a name="line-378"></a>		
<a name="line-379"></a>		<span class='hs-varid'>s1</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-varid'>runIteratee</span> <span class='hs-layout'>(</span><span class='hs-varid'>enumStream</span> <span class='hs-varop'>==&lt;&lt;</span> <span class='hs-varid'>i1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-380"></a>		<span class='hs-varid'>s2</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-varid'>runIteratee</span> <span class='hs-layout'>(</span><span class='hs-varid'>enumStream</span> <span class='hs-varop'>==&lt;&lt;</span> <span class='hs-varid'>i2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-381"></a>		
<a name="line-382"></a>		<span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>s1</span><span class='hs-layout'>,</span> <span class='hs-varid'>s2</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-383"></a>			<span class='hs-layout'>(</span><span class='hs-conid'>Continue</span> <span class='hs-varid'>k1</span><span class='hs-layout'>,</span> <span class='hs-conid'>Continue</span> <span class='hs-varid'>k2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>zip</span> <span class='hs-layout'>(</span><span class='hs-varid'>continue</span> <span class='hs-varid'>k1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>continue</span> <span class='hs-varid'>k2</span><span class='hs-layout'>)</span>
<a name="line-384"></a>			<span class='hs-layout'>(</span><span class='hs-conid'>Yield</span> <span class='hs-varid'>b1</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>Continue</span> <span class='hs-varid'>k2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>zip</span> <span class='hs-layout'>(</span><span class='hs-varid'>yield</span> <span class='hs-varid'>b1</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>continue</span> <span class='hs-varid'>k2</span><span class='hs-layout'>)</span>
<a name="line-385"></a>			<span class='hs-layout'>(</span><span class='hs-conid'>Continue</span> <span class='hs-varid'>k1</span><span class='hs-layout'>,</span> <span class='hs-conid'>Yield</span> <span class='hs-varid'>b2</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>zip</span> <span class='hs-layout'>(</span><span class='hs-varid'>continue</span> <span class='hs-varid'>k1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>yield</span> <span class='hs-varid'>b2</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-386"></a>			<span class='hs-layout'>(</span><span class='hs-conid'>Yield</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>ex1</span><span class='hs-layout'>,</span> <span class='hs-conid'>Yield</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>ex2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>shorter</span> <span class='hs-varid'>ex1</span> <span class='hs-varid'>ex2</span><span class='hs-layout'>)</span>
<a name="line-387"></a>			<span class='hs-layout'>(</span><span class='hs-conid'>Error</span> <span class='hs-varid'>err</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>throwError</span> <span class='hs-varid'>err</span>
<a name="line-388"></a>			<span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>Error</span> <span class='hs-varid'>err</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>throwError</span> <span class='hs-varid'>err</span>
<a name="line-389"></a>	
<a name="line-390"></a>	<span class='hs-varid'>step</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-391"></a>		<span class='hs-varid'>b1</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>enumEOF</span> <span class='hs-varop'>=&lt;&lt;</span> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-varid'>runIteratee</span> <span class='hs-varid'>i1</span><span class='hs-layout'>)</span>
<a name="line-392"></a>		<span class='hs-varid'>b2</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>enumEOF</span> <span class='hs-varop'>=&lt;&lt;</span> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-varid'>runIteratee</span> <span class='hs-varid'>i2</span><span class='hs-layout'>)</span>
<a name="line-393"></a>		<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>)</span>
<a name="line-394"></a>	
<a name="line-395"></a>	<span class='hs-varid'>shorter</span> <span class='hs-varid'>c1</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>c2</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span>
<a name="line-396"></a>		<span class='hs-varid'>xs'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>concat</span> <span class='hs-varid'>xs</span>
<a name="line-397"></a>		<span class='hs-varid'>ys'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>concat</span> <span class='hs-varid'>ys</span>
<a name="line-398"></a>		<span class='hs-keyword'>in</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>xs'</span> <span class='hs-varop'>&lt;</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ys'</span>
<a name="line-399"></a>			<span class='hs-keyword'>then</span> <span class='hs-varid'>c1</span>
<a name="line-400"></a>			<span class='hs-keyword'>else</span> <span class='hs-varid'>c2</span>
<a name="line-401"></a>	<span class='hs-varid'>shorter</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EOF</span>
<a name="line-402"></a>
<a name="line-403"></a><a name="zip3"></a><span class='hs-comment'>-- | Pass input from a stream through three iteratees at once. Excess input is</span>
<a name="line-404"></a><span class='hs-comment'>-- yielded if it was not consumed by any iteratee.</span>
<a name="line-405"></a><span class='hs-comment'>--</span>
<a name="line-406"></a><span class='hs-comment'>-- Analogous to 'Data.List.zip3'.</span>
<a name="line-407"></a><span class='hs-comment'>--</span>
<a name="line-408"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-409"></a><span class='hs-definition'>zip3</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-410"></a>     <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-411"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-412"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b3</span>
<a name="line-413"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>)</span>
<a name="line-414"></a><span class='hs-definition'>zip3</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-415"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>zip</span> <span class='hs-varid'>i1</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span><span class='hs-layout'>)</span>
<a name="line-416"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>)</span>
<a name="line-417"></a><span class='hs-comment'>{-# INLINE zip3 #-}</span>
<a name="line-418"></a>
<a name="line-419"></a><a name="zip4"></a><span class='hs-comment'>-- | Pass input from a stream through four iteratees at once. Excess input is</span>
<a name="line-420"></a><span class='hs-comment'>-- yielded if it was not consumed by any iteratee.</span>
<a name="line-421"></a><span class='hs-comment'>--</span>
<a name="line-422"></a><span class='hs-comment'>-- Analogous to 'Data.List.zip4'.</span>
<a name="line-423"></a><span class='hs-comment'>--</span>
<a name="line-424"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-425"></a><span class='hs-definition'>zip4</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-426"></a>     <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-427"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-428"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b3</span>
<a name="line-429"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b4</span>
<a name="line-430"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>)</span>
<a name="line-431"></a><span class='hs-definition'>zip4</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-432"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>zip</span> <span class='hs-varid'>i1</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip3</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span><span class='hs-layout'>)</span>
<a name="line-433"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>)</span>
<a name="line-434"></a><span class='hs-comment'>{-# INLINE zip4 #-}</span>
<a name="line-435"></a>
<a name="line-436"></a><a name="zip5"></a><span class='hs-comment'>-- | Pass input from a stream through five iteratees at once. Excess input is</span>
<a name="line-437"></a><span class='hs-comment'>-- yielded if it was not consumed by any iteratee.</span>
<a name="line-438"></a><span class='hs-comment'>--</span>
<a name="line-439"></a><span class='hs-comment'>-- Analogous to 'Data.List.zip5'.</span>
<a name="line-440"></a><span class='hs-comment'>--</span>
<a name="line-441"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-442"></a><span class='hs-definition'>zip5</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-443"></a>     <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-444"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-445"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b3</span>
<a name="line-446"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b4</span>
<a name="line-447"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b5</span>
<a name="line-448"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>)</span>
<a name="line-449"></a><span class='hs-definition'>zip5</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-450"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>zip</span> <span class='hs-varid'>i1</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip4</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span><span class='hs-layout'>)</span>
<a name="line-451"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>)</span>
<a name="line-452"></a><span class='hs-comment'>{-# INLINE zip5 #-}</span>
<a name="line-453"></a>
<a name="line-454"></a><a name="zip6"></a><span class='hs-comment'>-- | Pass input from a stream through six iteratees at once. Excess input is</span>
<a name="line-455"></a><span class='hs-comment'>-- yielded if it was not consumed by any iteratee.</span>
<a name="line-456"></a><span class='hs-comment'>--</span>
<a name="line-457"></a><span class='hs-comment'>-- Analogous to 'Data.List.zip6'.</span>
<a name="line-458"></a><span class='hs-comment'>--</span>
<a name="line-459"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-460"></a><span class='hs-definition'>zip6</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-461"></a>     <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-462"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-463"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b3</span>
<a name="line-464"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b4</span>
<a name="line-465"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b5</span>
<a name="line-466"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b6</span>
<a name="line-467"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>,</span> <span class='hs-varid'>b6</span><span class='hs-layout'>)</span>
<a name="line-468"></a><span class='hs-definition'>zip6</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span> <span class='hs-varid'>i6</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-469"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>,</span> <span class='hs-varid'>b6</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>zip</span> <span class='hs-varid'>i1</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip5</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span> <span class='hs-varid'>i6</span><span class='hs-layout'>)</span>
<a name="line-470"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>,</span> <span class='hs-varid'>b6</span><span class='hs-layout'>)</span>
<a name="line-471"></a><span class='hs-comment'>{-# INLINE zip6 #-}</span>
<a name="line-472"></a>
<a name="line-473"></a><a name="zip7"></a><span class='hs-comment'>-- | Pass input from a stream through seven iteratees at once. Excess input is</span>
<a name="line-474"></a><span class='hs-comment'>-- yielded if it was not consumed by any iteratee.</span>
<a name="line-475"></a><span class='hs-comment'>--</span>
<a name="line-476"></a><span class='hs-comment'>-- Analogous to 'Data.List.zip7'.</span>
<a name="line-477"></a><span class='hs-comment'>--</span>
<a name="line-478"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-479"></a><span class='hs-definition'>zip7</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-480"></a>     <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-481"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-482"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b3</span>
<a name="line-483"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b4</span>
<a name="line-484"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b5</span>
<a name="line-485"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b6</span>
<a name="line-486"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b7</span>
<a name="line-487"></a>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>,</span> <span class='hs-varid'>b6</span><span class='hs-layout'>,</span> <span class='hs-varid'>b7</span><span class='hs-layout'>)</span>
<a name="line-488"></a><span class='hs-definition'>zip7</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span> <span class='hs-varid'>i6</span> <span class='hs-varid'>i7</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-489"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>,</span> <span class='hs-varid'>b6</span><span class='hs-layout'>,</span> <span class='hs-varid'>b7</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>zip</span> <span class='hs-varid'>i1</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip6</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span> <span class='hs-varid'>i6</span> <span class='hs-varid'>i7</span><span class='hs-layout'>)</span>
<a name="line-490"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>,</span> <span class='hs-varid'>b6</span><span class='hs-layout'>,</span> <span class='hs-varid'>b7</span><span class='hs-layout'>)</span>
<a name="line-491"></a><span class='hs-comment'>{-# INLINE zip7 #-}</span>
<a name="line-492"></a>
<a name="line-493"></a><a name="zipWith"></a><span class='hs-comment'>-- | Pass input from a stream through two iteratees at once. Excess input is</span>
<a name="line-494"></a><span class='hs-comment'>-- yielded if it was not consumed by either iteratee. Output from the</span>
<a name="line-495"></a><span class='hs-comment'>-- iteratees is combined with a user-provided function.</span>
<a name="line-496"></a><span class='hs-comment'>--</span>
<a name="line-497"></a><span class='hs-comment'>-- Analogous to 'Data.List.zipWith'.</span>
<a name="line-498"></a><span class='hs-comment'>--</span>
<a name="line-499"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-500"></a><span class='hs-definition'>zipWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-501"></a>        <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b2</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-502"></a>        <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-503"></a>        <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-504"></a>        <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>c</span>
<a name="line-505"></a><span class='hs-definition'>zipWith</span> <span class='hs-varid'>f</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-506"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>zip</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span>
<a name="line-507"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span><span class='hs-layout'>)</span>
<a name="line-508"></a><span class='hs-comment'>{-# INLINE zipWith #-}</span>
<a name="line-509"></a>
<a name="line-510"></a><a name="zipWith3"></a><span class='hs-comment'>-- | Pass input from a stream through two iteratees at once. Excess input is</span>
<a name="line-511"></a><span class='hs-comment'>-- yielded if it was not consumed by either iteratee. Output from the</span>
<a name="line-512"></a><span class='hs-comment'>-- iteratees is combined with a user-provided function.</span>
<a name="line-513"></a><span class='hs-comment'>--</span>
<a name="line-514"></a><span class='hs-comment'>-- Analogous to 'Data.List.zipWith3'.</span>
<a name="line-515"></a><span class='hs-comment'>--</span>
<a name="line-516"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-517"></a><span class='hs-definition'>zipWith3</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-518"></a>         <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b2</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b3</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-519"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-520"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-521"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b3</span>
<a name="line-522"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>c</span>
<a name="line-523"></a><span class='hs-definition'>zipWith3</span> <span class='hs-varid'>f</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-524"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>zip3</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span>
<a name="line-525"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>b3</span><span class='hs-layout'>)</span>
<a name="line-526"></a><span class='hs-comment'>{-# INLINE zipWith3 #-}</span>
<a name="line-527"></a>
<a name="line-528"></a><a name="zipWith4"></a><span class='hs-comment'>-- | Pass input from a stream through two iteratees at once. Excess input is</span>
<a name="line-529"></a><span class='hs-comment'>-- yielded if it was not consumed by either iteratee. Output from the</span>
<a name="line-530"></a><span class='hs-comment'>-- iteratees is combined with a user-provided function.</span>
<a name="line-531"></a><span class='hs-comment'>--</span>
<a name="line-532"></a><span class='hs-comment'>-- Analogous to 'Data.List.zipWith4'.</span>
<a name="line-533"></a><span class='hs-comment'>--</span>
<a name="line-534"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-535"></a><span class='hs-definition'>zipWith4</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-536"></a>         <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b2</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b3</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b4</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-537"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-538"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-539"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b3</span>
<a name="line-540"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b4</span>
<a name="line-541"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>c</span>
<a name="line-542"></a><span class='hs-definition'>zipWith4</span> <span class='hs-varid'>f</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-543"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>zip4</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span>
<a name="line-544"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>b3</span> <span class='hs-varid'>b4</span><span class='hs-layout'>)</span>
<a name="line-545"></a><span class='hs-comment'>{-# INLINE zipWith4 #-}</span>
<a name="line-546"></a>
<a name="line-547"></a><a name="zipWith5"></a><span class='hs-comment'>-- | Pass input from a stream through two iteratees at once. Excess input is</span>
<a name="line-548"></a><span class='hs-comment'>-- yielded if it was not consumed by either iteratee. Output from the</span>
<a name="line-549"></a><span class='hs-comment'>-- iteratees is combined with a user-provided function.</span>
<a name="line-550"></a><span class='hs-comment'>--</span>
<a name="line-551"></a><span class='hs-comment'>-- Analogous to 'Data.List.zipWith5'.</span>
<a name="line-552"></a><span class='hs-comment'>--</span>
<a name="line-553"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-554"></a><span class='hs-definition'>zipWith5</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-555"></a>         <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b2</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b3</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b4</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b5</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-556"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-557"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-558"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b3</span>
<a name="line-559"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b4</span>
<a name="line-560"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b5</span>
<a name="line-561"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>c</span>
<a name="line-562"></a><span class='hs-definition'>zipWith5</span> <span class='hs-varid'>f</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-563"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>zip5</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span>
<a name="line-564"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>b3</span> <span class='hs-varid'>b4</span> <span class='hs-varid'>b5</span><span class='hs-layout'>)</span>
<a name="line-565"></a><span class='hs-comment'>{-# INLINE zipWith5 #-}</span>
<a name="line-566"></a>
<a name="line-567"></a><a name="zipWith6"></a><span class='hs-comment'>-- | Pass input from a stream through two iteratees at once. Excess input is</span>
<a name="line-568"></a><span class='hs-comment'>-- yielded if it was not consumed by either iteratee. Output from the</span>
<a name="line-569"></a><span class='hs-comment'>-- iteratees is combined with a user-provided function.</span>
<a name="line-570"></a><span class='hs-comment'>--</span>
<a name="line-571"></a><span class='hs-comment'>-- Analogous to 'Data.List.zipWith6'.</span>
<a name="line-572"></a><span class='hs-comment'>--</span>
<a name="line-573"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-574"></a><span class='hs-definition'>zipWith6</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-575"></a>         <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b2</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b3</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b4</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b5</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b6</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-576"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-577"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-578"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b3</span>
<a name="line-579"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b4</span>
<a name="line-580"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b5</span>
<a name="line-581"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b6</span>
<a name="line-582"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>c</span>
<a name="line-583"></a><span class='hs-definition'>zipWith6</span> <span class='hs-varid'>f</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span> <span class='hs-varid'>i6</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-584"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>,</span> <span class='hs-varid'>b6</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>zip6</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span> <span class='hs-varid'>i6</span>
<a name="line-585"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>b3</span> <span class='hs-varid'>b4</span> <span class='hs-varid'>b5</span> <span class='hs-varid'>b6</span><span class='hs-layout'>)</span>
<a name="line-586"></a><span class='hs-comment'>{-# INLINE zipWith6 #-}</span>
<a name="line-587"></a>
<a name="line-588"></a><a name="zipWith7"></a><span class='hs-comment'>-- | Pass input from a stream through two iteratees at once. Excess input is</span>
<a name="line-589"></a><span class='hs-comment'>-- yielded if it was not consumed by either iteratee. Output from the</span>
<a name="line-590"></a><span class='hs-comment'>-- iteratees is combined with a user-provided function.</span>
<a name="line-591"></a><span class='hs-comment'>--</span>
<a name="line-592"></a><span class='hs-comment'>-- Analogous to 'Data.List.zipWith7'.</span>
<a name="line-593"></a><span class='hs-comment'>--</span>
<a name="line-594"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-595"></a><span class='hs-definition'>zipWith7</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-596"></a>         <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>b1</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b2</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b3</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b4</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b5</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b6</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b7</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-597"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b1</span>
<a name="line-598"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b2</span>
<a name="line-599"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b3</span>
<a name="line-600"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b4</span>
<a name="line-601"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b5</span>
<a name="line-602"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b6</span>
<a name="line-603"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b7</span>
<a name="line-604"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>c</span>
<a name="line-605"></a><span class='hs-definition'>zipWith7</span> <span class='hs-varid'>f</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span> <span class='hs-varid'>i6</span> <span class='hs-varid'>i7</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-606"></a>	<span class='hs-layout'>(</span><span class='hs-varid'>b1</span><span class='hs-layout'>,</span> <span class='hs-varid'>b2</span><span class='hs-layout'>,</span> <span class='hs-varid'>b3</span><span class='hs-layout'>,</span> <span class='hs-varid'>b4</span><span class='hs-layout'>,</span> <span class='hs-varid'>b5</span><span class='hs-layout'>,</span> <span class='hs-varid'>b6</span><span class='hs-layout'>,</span> <span class='hs-varid'>b7</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>zip7</span> <span class='hs-varid'>i1</span> <span class='hs-varid'>i2</span> <span class='hs-varid'>i3</span> <span class='hs-varid'>i4</span> <span class='hs-varid'>i5</span> <span class='hs-varid'>i6</span> <span class='hs-varid'>i7</span>
<a name="line-607"></a>	<span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span> <span class='hs-varid'>b3</span> <span class='hs-varid'>b4</span> <span class='hs-varid'>b5</span> <span class='hs-varid'>b6</span> <span class='hs-varid'>b7</span><span class='hs-layout'>)</span>
<a name="line-608"></a><span class='hs-comment'>{-# INLINE zipWith7 #-}</span>
<a name="line-609"></a>
<a name="line-610"></a><a name="head"></a><span class='hs-comment'>-- | Get the next byte from the stream, or 'Nothing' if the stream has</span>
<a name="line-611"></a><span class='hs-comment'>-- ended.</span>
<a name="line-612"></a><span class='hs-comment'>--</span>
<a name="line-613"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-614"></a><span class='hs-definition'>head</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span>
<a name="line-615"></a><span class='hs-definition'>head</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>loop</span> <span class='hs-keyword'>where</span>
<a name="line-616"></a>	<span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>uncons</span> <span class='hs-layout'>(</span><span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-617"></a>		<span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span><span class='hs-layout'>,</span> <span class='hs-varid'>extra</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>char</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>toChunks</span> <span class='hs-varid'>extra</span><span class='hs-layout'>)</span>
<a name="line-618"></a>		<span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>head</span>
<a name="line-619"></a>	<span class='hs-varid'>loop</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-conid'>Nothing</span> <span class='hs-conid'>EOF</span>
<a name="line-620"></a>
<a name="line-621"></a><a name="head_"></a><span class='hs-comment'>-- | Get the next element from the stream, or raise an error if the stream</span>
<a name="line-622"></a><span class='hs-comment'>-- has ended.</span>
<a name="line-623"></a><span class='hs-comment'>--</span>
<a name="line-624"></a><span class='hs-comment'>-- Since: 0.4.14</span>
<a name="line-625"></a><span class='hs-definition'>head_</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>Word8</span>
<a name="line-626"></a><span class='hs-definition'>head_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>head</span> <span class='hs-varop'>&gt;&gt;=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-627"></a>	<span class='hs-conid'>Just</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varid'>x'</span>
<a name="line-628"></a>	<span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>throwError</span> <span class='hs-layout'>(</span><span class='hs-conid'>Exc</span><span class='hs-varop'>.</span><span class='hs-conid'>ErrorCall</span> <span class='hs-str'>"head_: stream has ended"</span><span class='hs-layout'>)</span>
<a name="line-629"></a>
<a name="line-630"></a><a name="drop"></a><span class='hs-comment'>-- | @'drop' n@ ignores /n/ bytes of input from the stream.</span>
<a name="line-631"></a><span class='hs-comment'>--</span>
<a name="line-632"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-633"></a><span class='hs-definition'>drop</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Integer</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-634"></a><span class='hs-definition'>drop</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>n</span> <span class='hs-varop'>&lt;=</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-635"></a><span class='hs-definition'>drop</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>loop</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-636"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>n'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iter</span> <span class='hs-keyword'>where</span>
<a name="line-637"></a>		<span class='hs-varid'>lazy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varid'>xs</span>
<a name="line-638"></a>		<span class='hs-varid'>len</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toInteger</span> <span class='hs-layout'>(</span><span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span>
<a name="line-639"></a>		<span class='hs-varid'>iter</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>n'</span>
<a name="line-640"></a>			<span class='hs-keyword'>then</span> <span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>n'</span> <span class='hs-comment'>-</span> <span class='hs-varid'>len</span><span class='hs-layout'>)</span>
<a name="line-641"></a>			<span class='hs-keyword'>else</span> <span class='hs-varid'>yield</span> <span class='hs-conid'>()</span> <span class='hs-layout'>(</span><span class='hs-varid'>toChunks</span> <span class='hs-layout'>(</span><span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromInteger</span> <span class='hs-varid'>n'</span><span class='hs-layout'>)</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-642"></a>	<span class='hs-varid'>loop</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-conid'>()</span> <span class='hs-conid'>EOF</span>
<a name="line-643"></a>
<a name="line-644"></a><a name="dropWhile"></a><span class='hs-comment'>-- | @'Data.Enumerator.Binary.dropWhile' p@ ignores input from the stream</span>
<a name="line-645"></a><span class='hs-comment'>-- until the first byte which does not match the predicate.</span>
<a name="line-646"></a><span class='hs-comment'>--</span>
<a name="line-647"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-648"></a><span class='hs-definition'>dropWhile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-649"></a><span class='hs-definition'>dropWhile</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>loop</span> <span class='hs-keyword'>where</span>
<a name="line-650"></a>	<span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iter</span> <span class='hs-keyword'>where</span>
<a name="line-651"></a>		<span class='hs-varid'>lazy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-652"></a>		<span class='hs-varid'>iter</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>lazy</span>
<a name="line-653"></a>			<span class='hs-keyword'>then</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>loop</span>
<a name="line-654"></a>			<span class='hs-keyword'>else</span> <span class='hs-varid'>yield</span> <span class='hs-conid'>()</span> <span class='hs-layout'>(</span><span class='hs-varid'>toChunks</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span>
<a name="line-655"></a>	<span class='hs-varid'>loop</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-conid'>()</span> <span class='hs-conid'>EOF</span>
<a name="line-656"></a>
<a name="line-657"></a><a name="require"></a><span class='hs-comment'>-- | @'require' n@ buffers input until at least /n/ bytes are available, or</span>
<a name="line-658"></a><span class='hs-comment'>-- throws an error if the stream ends early.</span>
<a name="line-659"></a><span class='hs-comment'>--</span>
<a name="line-660"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-661"></a><span class='hs-definition'>require</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Integer</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-662"></a><span class='hs-definition'>require</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>n</span> <span class='hs-varop'>&lt;=</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-663"></a><span class='hs-definition'>require</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>loop</span> <span class='hs-varid'>id</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-664"></a>	<span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>n'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iter</span> <span class='hs-keyword'>where</span>
<a name="line-665"></a>		<span class='hs-varid'>lazy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varid'>xs</span>
<a name="line-666"></a>		<span class='hs-varid'>len</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toInteger</span> <span class='hs-layout'>(</span><span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span>
<a name="line-667"></a>		<span class='hs-varid'>iter</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>n'</span>
<a name="line-668"></a>			<span class='hs-keyword'>then</span> <span class='hs-varid'>continue</span> <span class='hs-layout'>(</span><span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-varid'>acc</span> <span class='hs-varop'>.</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>append</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>n'</span> <span class='hs-comment'>-</span> <span class='hs-varid'>len</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-669"></a>			<span class='hs-keyword'>else</span> <span class='hs-varid'>yield</span> <span class='hs-conid'>()</span> <span class='hs-layout'>(</span><span class='hs-varid'>toChunks</span> <span class='hs-layout'>(</span><span class='hs-varid'>acc</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-670"></a>	<span class='hs-varid'>loop</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>throwError</span> <span class='hs-layout'>(</span><span class='hs-conid'>Exc</span><span class='hs-varop'>.</span><span class='hs-conid'>ErrorCall</span> <span class='hs-str'>"require: Unexpected EOF"</span><span class='hs-layout'>)</span>
<a name="line-671"></a>
<a name="line-672"></a><a name="isolate"></a><span class='hs-comment'>-- | @'isolate' n@ reads at most /n/ bytes from the stream, and passes them</span>
<a name="line-673"></a><span class='hs-comment'>-- to its iteratee. If the iteratee finishes early, bytes continue to be</span>
<a name="line-674"></a><span class='hs-comment'>-- consumed from the outer stream until /n/ have been consumed.</span>
<a name="line-675"></a><span class='hs-comment'>--</span>
<a name="line-676"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-677"></a><span class='hs-definition'>isolate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Integer</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-678"></a><span class='hs-definition'>isolate</span> <span class='hs-varid'>n</span> <span class='hs-varid'>step</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>n</span> <span class='hs-varop'>&lt;=</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>step</span>
<a name="line-679"></a><span class='hs-definition'>isolate</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>Continue</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>loop</span> <span class='hs-keyword'>where</span>
<a name="line-680"></a>	<span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>loop</span>
<a name="line-681"></a>	<span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iter</span> <span class='hs-keyword'>where</span>
<a name="line-682"></a>		<span class='hs-varid'>lazy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varid'>xs</span>
<a name="line-683"></a>		<span class='hs-varid'>len</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toInteger</span> <span class='hs-layout'>(</span><span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span>
<a name="line-684"></a>		
<a name="line-685"></a>		<span class='hs-varid'>iter</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&lt;=</span> <span class='hs-varid'>n</span>
<a name="line-686"></a>			<span class='hs-keyword'>then</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-varid'>isolate</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-varid'>len</span><span class='hs-layout'>)</span>
<a name="line-687"></a>			<span class='hs-keyword'>else</span> <span class='hs-keyword'>let</span>
<a name="line-688"></a>				<span class='hs-layout'>(</span><span class='hs-varid'>s1</span><span class='hs-layout'>,</span> <span class='hs-varid'>s2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>splitAt</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromInteger</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>lazy</span>
<a name="line-689"></a>				<span class='hs-keyword'>in</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>toChunks</span> <span class='hs-varid'>s1</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-layout'>(</span><span class='hs-varop'>`yield`</span> <span class='hs-varid'>toChunks</span> <span class='hs-varid'>s2</span><span class='hs-layout'>)</span>
<a name="line-690"></a>	<span class='hs-varid'>loop</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>k</span> <span class='hs-conid'>EOF</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-layout'>(</span><span class='hs-varop'>`yield`</span> <span class='hs-conid'>EOF</span><span class='hs-layout'>)</span>
<a name="line-691"></a><span class='hs-definition'>isolate</span> <span class='hs-varid'>n</span> <span class='hs-varid'>step</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>drop</span> <span class='hs-varid'>n</span> <span class='hs-varop'>&gt;&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varid'>step</span>
<a name="line-692"></a>
<a name="line-693"></a><a name="isolateWhile"></a><span class='hs-comment'>-- | @'isolateWhile' p@ reads bytes from the stream until /p/ is false, and</span>
<a name="line-694"></a><span class='hs-comment'>-- passes them to its iteratee. If the iteratee finishes early, bytes</span>
<a name="line-695"></a><span class='hs-comment'>-- continue to be consumed from the outer stream until /p/ is false.</span>
<a name="line-696"></a><span class='hs-comment'>--</span>
<a name="line-697"></a><span class='hs-comment'>-- Since: 0.4.16</span>
<a name="line-698"></a><span class='hs-definition'>isolateWhile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-699"></a><span class='hs-definition'>isolateWhile</span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-conid'>Continue</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>loop</span> <span class='hs-keyword'>where</span>
<a name="line-700"></a>	<span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>loop</span>
<a name="line-701"></a>	<span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iter</span> <span class='hs-keyword'>where</span>
<a name="line-702"></a>		<span class='hs-varid'>lazy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varid'>xs</span>
<a name="line-703"></a>		<span class='hs-layout'>(</span><span class='hs-varid'>s1</span><span class='hs-layout'>,</span> <span class='hs-varid'>s2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>span</span> <span class='hs-varid'>p</span> <span class='hs-varid'>lazy</span>
<a name="line-704"></a>		<span class='hs-varid'>iter</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>s2</span>
<a name="line-705"></a>			<span class='hs-keyword'>then</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-varid'>isolateWhile</span> <span class='hs-varid'>p</span>
<a name="line-706"></a>			<span class='hs-keyword'>else</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>toChunks</span> <span class='hs-varid'>s1</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-layout'>(</span><span class='hs-varop'>`yield`</span> <span class='hs-varid'>toChunks</span> <span class='hs-varid'>s2</span><span class='hs-layout'>)</span>
<a name="line-707"></a>	<span class='hs-varid'>loop</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>k</span> <span class='hs-conid'>EOF</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-layout'>(</span><span class='hs-varop'>`yield`</span> <span class='hs-conid'>EOF</span><span class='hs-layout'>)</span>
<a name="line-708"></a><span class='hs-definition'>isolateWhile</span> <span class='hs-varid'>p</span> <span class='hs-varid'>step</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Enumerator</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>p</span> <span class='hs-varop'>&gt;&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varid'>step</span>
<a name="line-709"></a>
<a name="line-710"></a><a name="splitWhen"></a><span class='hs-comment'>-- | Split on bytes satisfying a given predicate.</span>
<a name="line-711"></a><span class='hs-comment'>--</span>
<a name="line-712"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-713"></a><span class='hs-definition'>splitWhen</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumeratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-714"></a><span class='hs-definition'>splitWhen</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>loop</span> <span class='hs-keyword'>where</span>
<a name="line-715"></a>	<span class='hs-varid'>loop</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>checkDone</span> <span class='hs-varid'>step</span>
<a name="line-716"></a>	<span class='hs-varid'>step</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isEOF</span> <span class='hs-varop'>&gt;&gt;=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>eof</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>eof</span>
<a name="line-717"></a>		<span class='hs-keyword'>then</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>Continue</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-conid'>EOF</span>
<a name="line-718"></a>		<span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-719"></a>			<span class='hs-varid'>lazy</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span>
<a name="line-720"></a>			<span class='hs-keyword'>let</span> <span class='hs-varid'>bytes</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>concat</span> <span class='hs-layout'>(</span><span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>toChunks</span> <span class='hs-varid'>lazy</span><span class='hs-layout'>)</span>
<a name="line-721"></a>			<span class='hs-varid'>eof</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>isEOF</span>
<a name="line-722"></a>			<span class='hs-varid'>drop</span> <span class='hs-num'>1</span>
<a name="line-723"></a>			<span class='hs-keyword'>if</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>lazy</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-varid'>eof</span>
<a name="line-724"></a>				<span class='hs-keyword'>then</span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>Continue</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span> <span class='hs-conid'>EOF</span>
<a name="line-725"></a>				<span class='hs-keyword'>else</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>bytes</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-varid'>loop</span>
<a name="line-726"></a>
<a name="line-727"></a><a name="enumHandle"></a><span class='hs-comment'>-- | Read bytes (in chunks of the given buffer size) from the handle, and</span>
<a name="line-728"></a><span class='hs-comment'>-- stream them to an 'Iteratee'. If an exception occurs during file IO,</span>
<a name="line-729"></a><span class='hs-comment'>-- enumeration will stop and 'Error' will be returned. Exceptions from the</span>
<a name="line-730"></a><span class='hs-comment'>-- iteratee are not caught.</span>
<a name="line-731"></a><span class='hs-comment'>--</span>
<a name="line-732"></a><span class='hs-comment'>-- This enumerator blocks until at least one byte is available from the</span>
<a name="line-733"></a><span class='hs-comment'>-- handle, and might read less than the maximum buffer size in some</span>
<a name="line-734"></a><span class='hs-comment'>-- cases.</span>
<a name="line-735"></a><span class='hs-comment'>--</span>
<a name="line-736"></a><span class='hs-comment'>-- The handle should be opened with no encoding, and in 'IO.ReadMode' or</span>
<a name="line-737"></a><span class='hs-comment'>-- 'IO.ReadWriteMode'.</span>
<a name="line-738"></a><span class='hs-comment'>--</span>
<a name="line-739"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-740"></a><span class='hs-definition'>enumHandle</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span>
<a name="line-741"></a>           <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Buffer size</span>
<a name="line-742"></a>           <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span>
<a name="line-743"></a>           <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-744"></a><span class='hs-definition'>enumHandle</span> <span class='hs-varid'>bufferSize</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>checkContinue0</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>loop</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-745"></a>	<span class='hs-keyword'>let</span> <span class='hs-varid'>intSize</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromInteger</span> <span class='hs-varid'>bufferSize</span>
<a name="line-746"></a>	
<a name="line-747"></a>	<span class='hs-varid'>bytes</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>tryIO</span> <span class='hs-layout'>(</span><span class='hs-varid'>getBytes</span> <span class='hs-varid'>h</span> <span class='hs-varid'>intSize</span><span class='hs-layout'>)</span>
<a name="line-748"></a>	<span class='hs-keyword'>if</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>bytes</span>
<a name="line-749"></a>		<span class='hs-keyword'>then</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>k</span>
<a name="line-750"></a>		<span class='hs-keyword'>else</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>bytes</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-varid'>loop</span>
<a name="line-751"></a>
<a name="line-752"></a><a name="enumHandleRange"></a><span class='hs-comment'>-- | Read bytes (in chunks of the given buffer size) from the handle, and</span>
<a name="line-753"></a><span class='hs-comment'>-- stream them to an 'Iteratee'. If an exception occurs during file IO,</span>
<a name="line-754"></a><span class='hs-comment'>-- enumeration will stop and 'Error' will be returned. Exceptions from the</span>
<a name="line-755"></a><span class='hs-comment'>-- iteratee are not caught.</span>
<a name="line-756"></a><span class='hs-comment'>--</span>
<a name="line-757"></a><span class='hs-comment'>-- This enumerator blocks until at least one byte is available from the</span>
<a name="line-758"></a><span class='hs-comment'>-- handle, and might read less than the maximum buffer size in some</span>
<a name="line-759"></a><span class='hs-comment'>-- cases.</span>
<a name="line-760"></a><span class='hs-comment'>--</span>
<a name="line-761"></a><span class='hs-comment'>-- The handle should be opened with no encoding, and in 'IO.ReadMode' or</span>
<a name="line-762"></a><span class='hs-comment'>-- 'IO.ReadWriteMode'.</span>
<a name="line-763"></a><span class='hs-comment'>--</span>
<a name="line-764"></a><span class='hs-comment'>-- If an offset is specified, the handle will be seeked to that offset</span>
<a name="line-765"></a><span class='hs-comment'>-- before reading. If the handle cannot be seeked, an error will be</span>
<a name="line-766"></a><span class='hs-comment'>-- thrown.</span>
<a name="line-767"></a><span class='hs-comment'>--</span>
<a name="line-768"></a><span class='hs-comment'>-- If a maximum count is specified, the number of bytes read will not</span>
<a name="line-769"></a><span class='hs-comment'>-- exceed that count.</span>
<a name="line-770"></a><span class='hs-comment'>--</span>
<a name="line-771"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-772"></a><span class='hs-definition'>enumHandleRange</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span>
<a name="line-773"></a>                <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Buffer size</span>
<a name="line-774"></a>                <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Offset</span>
<a name="line-775"></a>                <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Maximum count</span>
<a name="line-776"></a>                <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span>
<a name="line-777"></a>                <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-778"></a><span class='hs-definition'>enumHandleRange</span> <span class='hs-varid'>bufferSize</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>count</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>seek</span> <span class='hs-varop'>&gt;&gt;</span> <span class='hs-varid'>enum</span> <span class='hs-keyword'>where</span>
<a name="line-779"></a>	<span class='hs-varid'>seek</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>offset</span> <span class='hs-keyword'>of</span>
<a name="line-780"></a>		<span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-781"></a>		<span class='hs-conid'>Just</span> <span class='hs-varid'>off</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>tryIO</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hSeek</span> <span class='hs-varid'>h</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>AbsoluteSeek</span> <span class='hs-varid'>off</span><span class='hs-layout'>)</span>
<a name="line-782"></a>	
<a name="line-783"></a>	<span class='hs-varid'>enum</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>count</span> <span class='hs-keyword'>of</span>
<a name="line-784"></a>		<span class='hs-conid'>Just</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>enumRange</span> <span class='hs-varid'>n</span> <span class='hs-varid'>s</span>
<a name="line-785"></a>		<span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>enumHandle</span> <span class='hs-varid'>bufferSize</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span>
<a name="line-786"></a>	
<a name="line-787"></a>	<span class='hs-varid'>enumRange</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>checkContinue1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>loop</span> <span class='hs-varid'>n</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>let</span>
<a name="line-788"></a>		<span class='hs-varid'>rem</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromInteger</span> <span class='hs-layout'>(</span><span class='hs-varid'>min</span> <span class='hs-varid'>bufferSize</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span>
<a name="line-789"></a>		<span class='hs-varid'>keepGoing</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-790"></a>			<span class='hs-varid'>bytes</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>tryIO</span> <span class='hs-layout'>(</span><span class='hs-varid'>getBytes</span> <span class='hs-varid'>h</span> <span class='hs-varid'>rem</span><span class='hs-layout'>)</span>
<a name="line-791"></a>			<span class='hs-keyword'>if</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>bytes</span>
<a name="line-792"></a>				<span class='hs-keyword'>then</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>k</span>
<a name="line-793"></a>				<span class='hs-keyword'>else</span> <span class='hs-varid'>feed</span> <span class='hs-varid'>bytes</span>
<a name="line-794"></a>		<span class='hs-varid'>feed</span> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>bs</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>&gt;&gt;==</span> <span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-varid'>toInteger</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-795"></a>		<span class='hs-keyword'>in</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>rem</span> <span class='hs-varop'>&lt;=</span> <span class='hs-num'>0</span>
<a name="line-796"></a>			<span class='hs-keyword'>then</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>k</span>
<a name="line-797"></a>			<span class='hs-keyword'>else</span> <span class='hs-varid'>keepGoing</span>
<a name="line-798"></a>
<a name="line-799"></a><a name="getBytes"></a><span class='hs-definition'>getBytes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-800"></a><span class='hs-definition'>getBytes</span> <span class='hs-varid'>h</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-801"></a>	<span class='hs-varid'>hasInput</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-conid'>Exc</span><span class='hs-varop'>.</span><span class='hs-varid'>catch</span>
<a name="line-802"></a>		<span class='hs-layout'>(</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hWaitForInput</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-803"></a>		<span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>err</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isEOFError</span> <span class='hs-varid'>err</span>
<a name="line-804"></a>			<span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span>
<a name="line-805"></a>			<span class='hs-keyword'>else</span> <span class='hs-conid'>Exc</span><span class='hs-varop'>.</span><span class='hs-varid'>throwIO</span> <span class='hs-varid'>err</span><span class='hs-layout'>)</span>
<a name="line-806"></a>	<span class='hs-keyword'>if</span> <span class='hs-varid'>hasInput</span>
<a name="line-807"></a>		<span class='hs-keyword'>then</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>hGetNonBlocking</span> <span class='hs-varid'>h</span> <span class='hs-varid'>n</span>
<a name="line-808"></a>		<span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span>
<a name="line-809"></a>
<a name="line-810"></a><a name="enumFile"></a><span class='hs-comment'>-- | Opens a file path in binary mode, and passes the handle to</span>
<a name="line-811"></a><span class='hs-comment'>-- 'enumHandle'. The file will be closed when enumeration finishes.</span>
<a name="line-812"></a><span class='hs-comment'>--</span>
<a name="line-813"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-814"></a><span class='hs-definition'>enumFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span>
<a name="line-815"></a><span class='hs-definition'>enumFile</span> <span class='hs-varid'>path</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>enumFileRange</span> <span class='hs-varid'>path</span> <span class='hs-conid'>Nothing</span> <span class='hs-conid'>Nothing</span>
<a name="line-816"></a>
<a name="line-817"></a><a name="enumFileRange"></a><span class='hs-comment'>-- | Opens a file path in binary mode, and passes the handle to</span>
<a name="line-818"></a><span class='hs-comment'>-- 'enumHandleRange'. The file will be closed when enumeration finishes.</span>
<a name="line-819"></a><span class='hs-comment'>--</span>
<a name="line-820"></a><span class='hs-comment'>-- Since: 0.4.8</span>
<a name="line-821"></a><span class='hs-definition'>enumFileRange</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span>
<a name="line-822"></a>              <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Offset</span>
<a name="line-823"></a>              <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Maximum count</span>
<a name="line-824"></a>              <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Enumerator</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span>
<a name="line-825"></a><span class='hs-definition'>enumFileRange</span> <span class='hs-varid'>path</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>count</span> <span class='hs-varid'>step</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-826"></a>	<span class='hs-varid'>h</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>tryIO</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>openBinaryFile</span> <span class='hs-varid'>path</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>ReadMode</span><span class='hs-layout'>)</span>
<a name="line-827"></a>	<span class='hs-keyword'>let</span> <span class='hs-varid'>iter</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>enumHandleRange</span> <span class='hs-num'>4096</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>count</span> <span class='hs-varid'>h</span> <span class='hs-varid'>step</span>
<a name="line-828"></a>	<span class='hs-conid'>Iteratee</span> <span class='hs-layout'>(</span><span class='hs-conid'>Exc</span><span class='hs-varop'>.</span><span class='hs-varid'>finally</span> <span class='hs-layout'>(</span><span class='hs-varid'>runIteratee</span> <span class='hs-varid'>iter</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hClose</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-829"></a>
<a name="line-830"></a><a name="iterHandle"></a><span class='hs-comment'>-- | Read bytes from a stream and write them to a handle. If an exception</span>
<a name="line-831"></a><span class='hs-comment'>-- occurs during file IO, enumeration will stop and 'Error' will be</span>
<a name="line-832"></a><span class='hs-comment'>-- returned.</span>
<a name="line-833"></a><span class='hs-comment'>--</span>
<a name="line-834"></a><span class='hs-comment'>-- The handle should be opened with no encoding, and in 'IO.WriteMode' or</span>
<a name="line-835"></a><span class='hs-comment'>-- 'IO.ReadWriteMode'.</span>
<a name="line-836"></a><span class='hs-comment'>--</span>
<a name="line-837"></a><span class='hs-comment'>-- Since: 0.4.5</span>
<a name="line-838"></a><span class='hs-definition'>iterHandle</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span>
<a name="line-839"></a>           <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Iteratee</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-840"></a><span class='hs-definition'>iterHandle</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>step</span> <span class='hs-keyword'>where</span>
<a name="line-841"></a>	<span class='hs-varid'>step</span> <span class='hs-conid'>EOF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-conid'>()</span> <span class='hs-conid'>EOF</span>
<a name="line-842"></a>	<span class='hs-varid'>step</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>continue</span> <span class='hs-varid'>step</span>
<a name="line-843"></a>	<span class='hs-varid'>step</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chunks</span> <span class='hs-varid'>bytes</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-844"></a>		<span class='hs-varid'>tryIO</span> <span class='hs-layout'>(</span><span class='hs-conid'>CM</span><span class='hs-varop'>.</span><span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>hPut</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-varid'>bytes</span><span class='hs-layout'>)</span>
<a name="line-845"></a>		<span class='hs-varid'>continue</span> <span class='hs-varid'>step</span>
<a name="line-846"></a>
<a name="line-847"></a>
<a name="line-848"></a><a name="toChunks"></a><span class='hs-definition'>toChunks</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Stream</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-849"></a><span class='hs-definition'>toChunks</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Chunks</span> <span class='hs-varop'>.</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-varid'>toChunks</span>
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